6
questions

At night when I turn my front light on my dashboard panel, speed monitor, radio & etc. light would not come on. What could be the problem?
Is this a fuse problem?

the battery only holds about 50% charge replaced battery replaced negative cable end no change

Would like to add external vacuum gage to monitor fuel economy.

after the truck got warm the fan started working again.the shop advised to put in heated garage overnite and it would fix it, will this work. when the vehicle sits for a prolonged period(over 8hrs)in this freezing weather, it won't work until the interior warms up...using a space heater. it is that time of year where the temp will be -20c or colder, plus windchill.

What weight engine oil should I use in Phoenix